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Bigous/filter-hd.ps1

Last active January 8, 2022 00:14
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PowerShell to filter m3u HD tv only
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filter-hd.ps1
Select-String .\file.m3u -Context 0,1 -Pattern "^(#EXTINF:.*\bHD$)|(#EXTM3U)|(#EXT-X-SESSION-DATA)" |
foreach {
$_.Line
if($_.Line -match "^#EXTINF:.*\bHD$") { $_.Context.PostContext[0] }
} > .\file_hd.m3u
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Bigous commented Jan 8, 2022

Second implementation:

Select-String .\file.m3u -Context 0,1 -Pattern "^(#EXTINF:.*\bHD$)|(#EXTM3U)|(#EXT-X-SESSION-DATA)" | 
  foreach {
    $_.Line
    if($_.Line -match "^#EXTINF:.*\bHD$") { $_.Context.PostContext[0] }
  } > .\file_hd.m3u

It takes ~480 ms on a file with ~200000 lines

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